Exhausted Quench Oil from China
Waste heat treatment oil from metal quenching baths, imported as HTS 2710.99.31.00 waste lubricating oil with >70% petroleum base. Degraded by thermal cycling.
Duty Rate — China → United States
7.5%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide flash point and viscosity tests showing degradation beyond specs
• Certify absence of cyanide or heavy metals from heat treatment processes
• Use nitrogen-blanketed containers to prevent autoignition during transit